28738980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2383}}^1$

素因数の和:2465

約数の個数: 72

約数和(自身を含む): 88513152

約数和(自身を除く): 59774172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 2010, 2383, 2412, 3015, 4020, 4766, 6030, 7149, 9532, 11915, 12060, 14298, 21447, 23830, 28596, 35745, 42894, 47660, 71490, 85788, 107235, 142980, 159661, 214470, 319322, 428940, 478983, 638644, 798305, 957966, 1436949, 1596610, 1915932, 2394915, 2873898, 3193220, 4789830, 5747796, 7184745, 9579660, 14369490, 28738980]

約数ペア:

[(1, 28738980), (2, 14369490), (3, 9579660), (4, 7184745), (5, 5747796), (6, 4789830), (9, 3193220), (10, 2873898), (12, 2394915), (15, 1915932), (18, 1596610), (20, 1436949), (30, 957966), (36, 798305), (45, 638644), (60, 478983), (67, 428940), (90, 319322), (134, 214470), (180, 159661), (201, 142980), (268, 107235), (335, 85788), (402, 71490), (603, 47660), (670, 42894), (804, 35745), (1005, 28596), (1206, 23830), (1340, 21447), (2010, 14298), (2383, 12060), (2412, 11915), (3015, 9532), (4020, 7149), (4766, 6030)]